In quantum mechanics, the Wigner–Weyl transform or Weyl–Wigner transform (after Hermann Weyl and Eugene Wigner) is the invertible mapping between functions...
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Hermann Weyl in 1927, in a context related to representation theory in mathematics (see Weyl quantization). In effect, it is the Wigner–Weyl transform of the...
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Wigner–Inonu contraction Wigner–Seitz cell Wigner–Seitz radius Wigner–Weyl transform Wigner–Wilkins spectrum Wigner's classification Wigner quasiprobability distribution...
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arise in the phase space formulation of quantum mechanics through the Wigner transform of Heisenberg operators of canonical coordinates and momenta. These...
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Canonical commutation relation (section Weyl relations)
finally elucidated the consistent correspondence mechanism, the Wigner–Weyl transform, that underlies an alternate equivalent mathematical representation...
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f_{2}]=\Phi [f_{1}]\Phi [f_{2}].\,} where Φ {\displaystyle \Phi } is the Wigner–Weyl transform. The star product is not commutative in general, but goes over to...
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Stone–von Neumann theorem (redirect from Weyl representation)
representation Wigner–Weyl transform CCR and CAR algebras (for bosons and fermions respectively) Segal–Bargmann space Moyal product Weyl algebra Stone's...
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Moyal product (redirect from Weyl-Groenewold product)
two-dimensional euclidean phase space) is given in the article on the Wigner–Weyl transform: two Gaussians compose with this ★-product according to a hyperbolic...
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Wigner–Inonu contraction Wigner–Seitz cell Wigner–Seitz radius Wigner–Weyl transform Wigner–Wilkins spectrum Wigner's classification Wigner quasi-probability...
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Mathematics Cotangent bundle Dynamic system Symplectic manifold Wigner–Weyl transform Physics Classical mechanics Hamiltonian mechanics Lagrangian mechanics...
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Quantum chaos Quantum decoherence Quantum limit Semiclassical physics Wigner–Weyl transform WKB approximation Bohm, D. (1989). Quantum Theory. Dover Publications...
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using the Fourier transform to a class of integrable functions larger than the polynomial functions), see Wigner–Weyl transform. Weyl algebras and Clifford...
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and Wigner–Weyl transform). This more algebraic approach not only permits ultimately extending probability distributions in phase space to Wigner quasi-probability...
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Donder–Weyl theory Hodge−Weyl decomposition Majorana–Weyl spinor Peter–Weyl theorem Schur–Weyl duality Weyl–Berry conjecture Weyl–Groenewold product Wigner–Weyl...
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quantum observables, the most famous of these schemes being the Wigner–Weyl transform. It underlies Moyal’s dynamical equation, an equivalent formulation...
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quantum field theory, the Weyl equation is a relativistic wave equation for describing massless spin-1/2 particles called Weyl fermions. The equation is...
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Moyal product Noncommutative geometry Noncommutative standard model Wigner–Weyl transform It is possible to have a noncommuting time coordinate as in the...
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Linear canonical transformation (redirect from Linear canonical transform)
transform Ray transfer matrix analysis de Bruijn, N. G. (1973). "A theory of generalized functions, with applications to Wigner distribution and Weyl...
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Neumann theorem#Relation to the Fourier transform for details. Canonical commutation relations Wigner–Weyl transform Stone–von Neumann theorem Projective...
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phase space as A(x, p) through the Wigner transform. Conversely, this operator may be recovered by the Weyl transform. The expectation value of the observable...
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not semisimple and it does not satisfy Weyl's theorem on complete reducibility.) It was introduced by Eugene Wigner, to classify particles and fields in...
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In relativistic quantum mechanics and quantum field theory, the Bargmann–Wigner equations describe free particles with non-zero mass and arbitrary spin...
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Wigner's theorem, proved by Eugene Wigner in 1931, is a cornerstone of the mathematical formulation of quantum mechanics. The theorem specifies how physical...
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fermion is transformed into the Newton–Wigner representation. The powerful machinery of the Foldy–Wouthuysen transform originally developed for the Dirac...
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Royal Statistical Society B, 11, (1949), 150–210. Moyal bracket Wigner–Weyl transform Wigner quasiprobability distribution Gani, J. (1998). "Obituary: José...
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was the first to achieve full understanding of the Wigner–Weyl transform as an invertible transform, rather than as an unsatisfactory quantization rule...
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fields, but this was phenomenological. Weyl found a relativistic equation in terms of the Pauli matrices; the Weyl equation, for massless spin-1/2 fermions...
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Hermann Weyl, but the Lorentz group has also received special attention due to its importance in physics. Notable contributors are physicist E. P. Wigner and...
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Segal–Bargmann space (redirect from Bargmann transform)
the Wigner function by smearing with a Gaussian. This connection will be made more precise below, after we introduce the Segal–Bargmann transform. One...
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3-j symbol (redirect from Wigner 3-j symbol)
In quantum mechanics, the Wigner's 3-j symbols, also called 3-jm symbols, are an alternative to Clebsch–Gordan coefficients for the purpose of adding angular...
33 KB (5,972 words) - 14:43, 22 April 2025